CA2011865A1 - Moveable valve assembly for liquid atomizers - Google Patents
Moveable valve assembly for liquid atomizersInfo
- Publication number
- CA2011865A1 CA2011865A1 CA 2011865 CA2011865A CA2011865A1 CA 2011865 A1 CA2011865 A1 CA 2011865A1 CA 2011865 CA2011865 CA 2011865 CA 2011865 A CA2011865 A CA 2011865A CA 2011865 A1 CA2011865 A1 CA 2011865A1
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- Canada
- Prior art keywords
- moveable valve
- liquid
- valve body
- projection
- valve assembly
- Prior art date
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Abstract
TITLE : An improved moveable valve assembly for liquid atomizers ABSTRACT OF THE DISCLOSURE
The present invention relates to an improved moveable valve assembly for liquid atomizers which mainly comprises a piston assembly and a moveable valve body including an upper solid rod and a lower hollow sleeve. The upper solid rod consists of three rod portions each having a different diameter form the other such that the intersection between any two of three rod portions may be respectively formed into a tapered shoulder , a recess or a socket with a flattened shoulder to serve as pressure concentrating points whereby the pressure generated by the pressurized liquid can be efficiently applied to those pressure concentrating points in order to overcome the compression force provided by a spring located under the moveable valve body and in turn to enable a valve head to disengage from a corresponding exhaust hole. The lower hollow sleve is provided at the lower end of its vertical side with an outward projection and with an inclined extension below the projection end with an inclined extension below the projection such that the pressure generated by the pressurized liquid can be applied to the upper side of the projection to force the moveable valve body downward while the pressure applied to the inclined extension makes an inner arcuate flange of the inclined extension closely contact a valve hole so as to achieve a fluidtight effect , and in turn to expedite the formation of pressurized liquid in a compressed chamber.
In addition, the lower hollow sleeve may be provided with a thick solid portion wherein the top side of the thick solid portion is formed with a plurality of tooth-shaped annular portions to enforce the pressurizing offect applied thereto whereby the atomization of the liquid can be rapidly completed.
The present invention relates to an improved moveable valve assembly for liquid atomizers which mainly comprises a piston assembly and a moveable valve body including an upper solid rod and a lower hollow sleeve. The upper solid rod consists of three rod portions each having a different diameter form the other such that the intersection between any two of three rod portions may be respectively formed into a tapered shoulder , a recess or a socket with a flattened shoulder to serve as pressure concentrating points whereby the pressure generated by the pressurized liquid can be efficiently applied to those pressure concentrating points in order to overcome the compression force provided by a spring located under the moveable valve body and in turn to enable a valve head to disengage from a corresponding exhaust hole. The lower hollow sleve is provided at the lower end of its vertical side with an outward projection and with an inclined extension below the projection end with an inclined extension below the projection such that the pressure generated by the pressurized liquid can be applied to the upper side of the projection to force the moveable valve body downward while the pressure applied to the inclined extension makes an inner arcuate flange of the inclined extension closely contact a valve hole so as to achieve a fluidtight effect , and in turn to expedite the formation of pressurized liquid in a compressed chamber.
In addition, the lower hollow sleeve may be provided with a thick solid portion wherein the top side of the thick solid portion is formed with a plurality of tooth-shaped annular portions to enforce the pressurizing offect applied thereto whereby the atomization of the liquid can be rapidly completed.
Description
BACKGROUND OF THE INVENTION
The preset invention relate~ to a manual type miniature atomizer, and more particularly for an improved moveable valve nssembly for liquid atomizers in which the moveable valve body cam be promptly actuated to proceed with a reciprocatin~ motion in response to a user's slight depressive operation.
Due to their complicated structures , conventional atomizers, especially those for being mounted to perfume bottles , require a user to apply singnificant force to the atomizer head thereof in order to press it downward. However, this will make user feel uncomfortable. Besides, owing to the complexity of the constituted components ~ not only the internal liquid pressure can not be efficiently produced, but also the resulting liquid pressure fails to be specifically applied to certain pressure concentrating points.
Under such circumstances , the moveable valve body can not be promptly forced downward in response to a slight depression of the atomizer head so that the related valve head can not simultaneously disengage ~orm thecorresponding valve hole to allow the liquid (such as perfume) contained in the bottle to be sprayed out through said valve hole.
Although U.S. pa-tent Nos. 4,369,900 and 4,~62,549 have disclosed certain valves possessing outward projecting shoulders . However , none of such projecting shouldels are designed to serve as pressure lgenerated by the pressurized liquid ) concentratinR points , rather said projectin~ shoulders are to provide an improved fluidtight effect ~or a pressllrized chamber during the compressing operation.
Moreover , as shown in FIG. 1, it illustrates an atomi~,er manufactured by Co~ter Tecnologie Speciali S.P.A. wherein the shoulder of the. moveable valve is designed to be inclined llowever , such an ~ ~ngement fail.q to make the pressurized liquid contained in a compres~ed chamber effectively applied to the incline~ shoulders.
In other words, the moveable valve cannot efficiently overcome the oppo~ite compression force created by a spring to make a valve head disengage from a corresponding exhaust hole.
Therefore, in operation, A user needs to apply a quite strong force to have the moveable valve moved. downward and then to allow the pressurized liquid to be sprayed ont of the atomizer.
Under such circumstances , the users will be most unlikey to appreciate such a product and may negate the quality thereof accordingly.
In view of the above, i~ is clear that the techniques about how to modify the shape of a moveable valve have not yet been disclosed in the rela*ed prior references.
SUMMARY OF THE INVENTION
The present invention relates to an improved moveable valve assembly for liquid atomizers which mainly comprises a piston body and a moveable valve body including an upper solid rod and a lower hollo~
sleeve. The upper solid rod consists of three rod portions each having a different diameter from -the other such that ~he intersec-tion between any two of three rod portions may be respectively formed into a -tapered shoulder, a reces~ or a socket with a flattened shoulder to serve as pressure concentrating points whereby the pressure generated by the pressurized liquid can be efficiently applied to those pressureconcentrating points in order to overcomc the compre~sion force provided by a spring loca-ted under the moveable valve body and in turn to enable a valve head 1io disengage from a correspondin~
exhaust hole. The lower hollow sleeve i~ provided at the lower end o~
it vertical ~ide with an out~ard projection such that t ~ ~ ~ ~
generated by the pressurized liquid can be applied to the upper side of the projection to force the moveable valve body downward while the pre~sure applied to the inclined extension makes an inner arcuate ~lange oP the inclined extension closely contact a valve hole so a~
to achieve a Pluidtight effect, and in turn so expedite the ~ormation of pressured liquid in a compressed chamber.
In addition the upper periphery of the sleeve may be provided with a thick solid portion, the top side of which is formed with a plurality of tooth-shaped annular portions whereby upon operation -the thick solid portion can apply a larger compression force to the liquid contained in a compressed chamber and then the pressurized liquid will effectively ~orce the moveable valve to more downward with the aid of the too-th-shaped annvlar portions as well as ~ corresponding inverted v-shaped groove and corresponding trumpet-shaped inner annular portion respectively formed in the lower side o~ the piston body such that a triangular valve body may simultaneously disengage from a corresponding e~haust hole to allow the pressarized liquid to be sprayed out of the atomizer through a hollew tubular portion.
It is an object of the present invention to provide an improved moveable valve assembly for liquid atomizers which malces the user feel comfortable upon depessing the atomizer head.
It is a further object Oe the present invention to provide an improved valve assembly for component~ nnd inexpensive constitution.
These anrl other t'eatures, objects and advantage~ o~ the present invention will becorrle apparent upon readin~ the ~ollowin~
descirption thereo~ with re~erence to the accompanying drawing~ which :
BRIEF DESC~IPTION OF THE DRAWINGS
FIG. 1 is a longitudinal sectional view showing a prior art atomizer ;
FIG. 2 i~ a perspective view of the present invention ;
FIG. 3 is a longitudinal sectional view illustratin~ a first embodirnent o~ the present invention ;
FIG. 4 is a local enlarged sectional view showing -the relative positions of various components o~ ~ first embodiment o~ the present invention before the atomizer head is pressed ;
FIG. 5 is a local enlarged seetional view showing the relative positions of varions components o~ a first embodiment of the present invention after the atomizer body is pressed ;
FIG. 6 is a lon~itudinal sectional view showing the relative positions of various components of a second embodiment of the present invention before the atomizer head is pressed ;
FIG. 7 is a longitudinal sections view showing the relative positions of varions components Oe a second embodiment of the present invention aEter the atomizer bead is pressed ; and FIG. 8 is a local sectional view showing a second ermbodiment o~ the present invention .
DET~IL DESCRIPTION OF T~IE P~EFE~ED EMBODIMENTS
~ eferring to FIGS. 2, 3 and ~, the moveable valve assembly for licluid atomizers of tho ~irst pr~ferred embodiment Oe the present invention mainly cornprise~ a piston body (B) and an moveable valve body (A) consistin~ Oe an upper solicl rocd ~A1) and a lower cylindrical sleeve (~2). The upper solid rod (~1) is received into a piston body (B) in such a manner that a triangular exhaust valv~ head (A101~ at the top o~ said rod (A1) closely contact an exhaust hol~ located at the bottom o~ a hollow tubular portion tB1) o~ the piston body (B) to restrict the liquid to flow into the lower ~pace o~ the tubular portion (B1). In operation, upon pressing an atornized head downward, the piston body (B) to~ether with the moveable valve body (A) are driven downward.
In thii way, when an inner arcuate flan~e (A201) formed at the lower sleeve (~2) o~ the moveable valve body (A~ contact~ a corresponding valve hole, the liquid contained in the moveable valve body (A) will b e enclosed therein in a ~luidti~ht manner. At ~his instant, the moveable valve body (A) is continuously pressed downward thereby the liquid contained therein is compressed and the preqsure generated by the pressurized liquid shall be applied to the rnoveable valve body (A) . As soon aY the liquid pressure overcomes the compression force provided by a spring (E) disposed in the sleeve (A2) , the moveable valve body (A) will be simultaneou~ly ~orced downward to disengage the valve head tA101) from the exhaust hole (B101) so that the pressurized liquid can be sprayed out from the piston body (B~ through the hollow tubular portion (Bl).
In view of the above, it ls understood that the most irnportant thing is to make the inner arcua~e elange (~201) at the lower sleeve (~2) o~ the moveable valve body (~) smoothly contact the corresponding valve hol0 and to securely ter~inate the communicatior between the insid0 and the outside Oe the compregsed chamber(C).
L8~
Thi~ may facilitate the formation of the pressuri~ed liquid-contained the compres~ed chamber (C). In addition, the measure regardinB how to make the pressure ~enerated by the pressurized liquld be concentrated to the moveable valve body (A) in turn to simultaneously open the exhaust hole (B101) iY another important factor to be taken into consideration.
To achie~e the aforesaid purposes , the upper solid rod (Al) of the move~ble valve body (A) is designed in such R manner that said rod (A1~ mainly consists of a first rod portion (A11~, a second rod portion (A12) and a third rod portion (A11) is formed into a triangular valve head (A101) while the intersec-tion between the first rod portion (A11) and the second rod portion (A12) i3 formed with a taperes shoulder (A102) acting as a first pressure concentrating point. The intersection between the ~econd rod portion (A12) and the third rod portion (A13) also has a tapered shoulder (A103) and a projection shoulder (A104).
An inverted triangular recéss (A105) is formed between said tapered shoulder (A103) and projection shoulder (A10~) in order to both receive more liquid therein and serve as a second pressure concentra-ting point. The tapered shoulder (A103) can fur-ther direct the vertical force component of the Eorce provided by the pressurized liquid to the recess (A105). The lower end of the third rod portion l (A13) possesse~ a tapered shoulder (A106) similar to the tapered j shoulder (A103) of -th0 second rod portion (A12), and furth0r forms with the upper end of a ~leev0 (A2) a Elattened ~houlder (A202) a~
! , I
well a~ a flange (A203~ to serve a~ a third preqsure concentrating point. The tapered shoulder (A106) Oe the third rod portion (A13), in addition to having the ability of directing the force a~ -the afore~aid tapered shoulder (A103) doeq, i~ designed to cooperate with the upper end of the sleeve (A2) so a~ to provide a thicker portion (A204) which shall not be inwardly deformed when the sleeve (A2) of the moveable valve body (A) is compressed under hi~h pressure. The lower end of the vertical side (A205) of the sleeve (A2) is provided with an outward projection (A206). The upper side o~ said projection (A26) is used to concen-trate the pressure applied thereto and serve as ~
fourth pressure concentrating point. The lower side of said projection (A206) has ar~ inwardly inclined extension (A207) which is provided at its interior with an inner arcuate flange (A201). In operation, the pressurized liquid will be concentrated on the upper side of the projection (A206) to force it downward. The inclined extension (A207) below said projection (A2~6) is inwardly compressed under the hori~ontal force applied to the inclined ~urface thereof. Due to such an inward compression action, -the extension (A207) can closely contact a corresponding valve hole -to prevent the liquid ~rom leaking into the compressed chamber during the compression stroke.
Referring to FI~. 6, it shows a longitudinal section~l view o~ the second preferred embodiment of the present invention wherein a thick solid portion (A3) is formçd on the upper perlphery o~ the sleeve (A2). The thick golid portion (A3) is formed by exterlding outward from the vertical slde (A21) o~ the s1eeve (A2) a ~olid .
portion with a lar~er diameter i~ compariYon with the diameter o~ the sleeve (A2). The lower side o~ the thick solid portion ~A3) is formed into an inclined portion (A31) and th0 ~pper ~id~
thereo~ i~ provided with a plurality Oe concentric tooth-shaped annular portion~ , for example 9 a eirst annular por-tion ~A34), a second annalar portions (A33) and a third annular portion (A32) AS
shown in FIG. 6, to ~uide the liquid applied thereto. The piston body (B) is provided at its lower side with an inverted V-shaped groove (B2) and a trumpet-shaped inner annular portion (B3) respectivel~
corre~ponding to the aforesaid annular portions of the thiclc solid portion (A31.
As shown in FIG. 7, a3 the piston body (B) i~ pressed downward, the moveable valve (A) will be driven to move downward accordingly.
I~ this way ~ when an outward exten~ion (A22) Oe the sleeve IA2) closely contact a cylinder (D) the space above the cylinder (D) will be formed into a closed compressed chamber (C). the liquid contained in the compressed chamber (C) will become more pressurized as the piston body (B) is further pressed downward.
The pressurized effeet will be come more ~ignificant with the provision of the thick solid portion (A3). In this instant, the pressurized liquid below the thick solid portion (A3) will be forced ko flow upward through the space formed between the thick solid portion (A3) and the wall (Cl) Oe the cornpres~ed chamber (C).
Referring to FIG. ~ the upward pressurized liquid will eirst cont~ct the inverted V-shaped groove (B2) Oe the pi~ton bodg (B) and be directed to the first annular portion ~A34) of the thick solid portion (A3) to force the moveable valve (A) downward. Similarly, th pressurized liquid coming erom the first annular portion (A34) will be directed to the inner annular groove (B3) of the piston body (B~
and then be directed to the third annular portion (A32) of the thick solid portion (A3) to further force the moveable valve (A) downward.
Finally the pres~uizecl liquid will be directed upward through the space formed betwe~n the third rod portion (A13) and the inner wall of the piston body (B). Since the above mentioned v~rious action~ are completed simultaneou~ly the pressure applied to the ~oveable valve (A) is both concentrative and efeective such that the moveable valve ~A) can easily overcome the opposite compression force generated by the spring (E) and then move downward.
~ he moveable valve (A) will continue to move downward to make the triagular valve head disengage from the exhaust hole (B1013 so that the pressurized liquid can be sprayed out of the atormizer through the hollow tubular por-tion (B1). The special arran~ement of the tooth-shaped annular portions also will prevent the l iquid from easily sliding downward along the inclined portion so as to expedite the formation of the pres~ure concentration efEect.
In view of the con~truction as describe~l above? the present invention provides at least eour pressure concentrating points respectively located at four different pogitiong ~uch that the presure provided by the pressurized liquid can be ef~'icientlg applied to ~aid four p~essure concerntratin~ points whereby the moveable va1ve , (A) in turn i~ driven downward to disenga~e the valve head ~A101) from the exhau~t hole (B101) whereby the pre~uriæed liquid can be sprayed out from the atomizer through the hollow tubular portion (B1~ of the piston body (B~o In addi-tion, ~ince the thick solid portion (A3~ of the sleeve (A2) possesses a larger volume, the capability of pressurizi.ny the liquid contained in the compressed chamber will be significently increased Yurtherlnore, the improved structure achieved by the provision of the tooth-shaped annular portions (A32), (A33) and (A34), as well as the inverted V-shaped groove (B2~ and the trumpet-shaped inner annular portion (B3) will facilitate the application of the pressurized liquid to the moveable valve lA) on a simultaneous and continuous manner so as to force the moveable valve (.~) to overcome the opposite force generated by the spring (E) and then to disengage the valve head from the exhaust hole (B101) Accordingly it is believed -that the present invention can effectively eliminate the drawbacks existing in the prior art and thus successfully provide an improved atomizer.
I .
The preset invention relate~ to a manual type miniature atomizer, and more particularly for an improved moveable valve nssembly for liquid atomizers in which the moveable valve body cam be promptly actuated to proceed with a reciprocatin~ motion in response to a user's slight depressive operation.
Due to their complicated structures , conventional atomizers, especially those for being mounted to perfume bottles , require a user to apply singnificant force to the atomizer head thereof in order to press it downward. However, this will make user feel uncomfortable. Besides, owing to the complexity of the constituted components ~ not only the internal liquid pressure can not be efficiently produced, but also the resulting liquid pressure fails to be specifically applied to certain pressure concentrating points.
Under such circumstances , the moveable valve body can not be promptly forced downward in response to a slight depression of the atomizer head so that the related valve head can not simultaneously disengage ~orm thecorresponding valve hole to allow the liquid (such as perfume) contained in the bottle to be sprayed out through said valve hole.
Although U.S. pa-tent Nos. 4,369,900 and 4,~62,549 have disclosed certain valves possessing outward projecting shoulders . However , none of such projecting shouldels are designed to serve as pressure lgenerated by the pressurized liquid ) concentratinR points , rather said projectin~ shoulders are to provide an improved fluidtight effect ~or a pressllrized chamber during the compressing operation.
Moreover , as shown in FIG. 1, it illustrates an atomi~,er manufactured by Co~ter Tecnologie Speciali S.P.A. wherein the shoulder of the. moveable valve is designed to be inclined llowever , such an ~ ~ngement fail.q to make the pressurized liquid contained in a compres~ed chamber effectively applied to the incline~ shoulders.
In other words, the moveable valve cannot efficiently overcome the oppo~ite compression force created by a spring to make a valve head disengage from a corresponding exhaust hole.
Therefore, in operation, A user needs to apply a quite strong force to have the moveable valve moved. downward and then to allow the pressurized liquid to be sprayed ont of the atomizer.
Under such circumstances , the users will be most unlikey to appreciate such a product and may negate the quality thereof accordingly.
In view of the above, i~ is clear that the techniques about how to modify the shape of a moveable valve have not yet been disclosed in the rela*ed prior references.
SUMMARY OF THE INVENTION
The present invention relates to an improved moveable valve assembly for liquid atomizers which mainly comprises a piston body and a moveable valve body including an upper solid rod and a lower hollo~
sleeve. The upper solid rod consists of three rod portions each having a different diameter from -the other such that ~he intersec-tion between any two of three rod portions may be respectively formed into a -tapered shoulder, a reces~ or a socket with a flattened shoulder to serve as pressure concentrating points whereby the pressure generated by the pressurized liquid can be efficiently applied to those pressureconcentrating points in order to overcomc the compre~sion force provided by a spring loca-ted under the moveable valve body and in turn to enable a valve head 1io disengage from a correspondin~
exhaust hole. The lower hollow sleeve i~ provided at the lower end o~
it vertical ~ide with an out~ard projection such that t ~ ~ ~ ~
generated by the pressurized liquid can be applied to the upper side of the projection to force the moveable valve body downward while the pre~sure applied to the inclined extension makes an inner arcuate ~lange oP the inclined extension closely contact a valve hole so a~
to achieve a Pluidtight effect, and in turn so expedite the ~ormation of pressured liquid in a compressed chamber.
In addition the upper periphery of the sleeve may be provided with a thick solid portion, the top side of which is formed with a plurality of tooth-shaped annular portions whereby upon operation -the thick solid portion can apply a larger compression force to the liquid contained in a compressed chamber and then the pressurized liquid will effectively ~orce the moveable valve to more downward with the aid of the too-th-shaped annvlar portions as well as ~ corresponding inverted v-shaped groove and corresponding trumpet-shaped inner annular portion respectively formed in the lower side o~ the piston body such that a triangular valve body may simultaneously disengage from a corresponding e~haust hole to allow the pressarized liquid to be sprayed out of the atomizer through a hollew tubular portion.
It is an object of the present invention to provide an improved moveable valve assembly for liquid atomizers which malces the user feel comfortable upon depessing the atomizer head.
It is a further object Oe the present invention to provide an improved valve assembly for component~ nnd inexpensive constitution.
These anrl other t'eatures, objects and advantage~ o~ the present invention will becorrle apparent upon readin~ the ~ollowin~
descirption thereo~ with re~erence to the accompanying drawing~ which :
BRIEF DESC~IPTION OF THE DRAWINGS
FIG. 1 is a longitudinal sectional view showing a prior art atomizer ;
FIG. 2 i~ a perspective view of the present invention ;
FIG. 3 is a longitudinal sectional view illustratin~ a first embodirnent o~ the present invention ;
FIG. 4 is a local enlarged sectional view showing -the relative positions of various components o~ ~ first embodiment o~ the present invention before the atomizer head is pressed ;
FIG. 5 is a local enlarged seetional view showing the relative positions of varions components o~ a first embodiment of the present invention after the atomizer body is pressed ;
FIG. 6 is a lon~itudinal sectional view showing the relative positions of various components of a second embodiment of the present invention before the atomizer head is pressed ;
FIG. 7 is a longitudinal sections view showing the relative positions of varions components Oe a second embodiment of the present invention aEter the atomizer bead is pressed ; and FIG. 8 is a local sectional view showing a second ermbodiment o~ the present invention .
DET~IL DESCRIPTION OF T~IE P~EFE~ED EMBODIMENTS
~ eferring to FIGS. 2, 3 and ~, the moveable valve assembly for licluid atomizers of tho ~irst pr~ferred embodiment Oe the present invention mainly cornprise~ a piston body (B) and an moveable valve body (A) consistin~ Oe an upper solicl rocd ~A1) and a lower cylindrical sleeve (~2). The upper solid rod (~1) is received into a piston body (B) in such a manner that a triangular exhaust valv~ head (A101~ at the top o~ said rod (A1) closely contact an exhaust hol~ located at the bottom o~ a hollow tubular portion tB1) o~ the piston body (B) to restrict the liquid to flow into the lower ~pace o~ the tubular portion (B1). In operation, upon pressing an atornized head downward, the piston body (B) to~ether with the moveable valve body (A) are driven downward.
In thii way, when an inner arcuate flan~e (A201) formed at the lower sleeve (~2) o~ the moveable valve body (A~ contact~ a corresponding valve hole, the liquid contained in the moveable valve body (A) will b e enclosed therein in a ~luidti~ht manner. At ~his instant, the moveable valve body (A) is continuously pressed downward thereby the liquid contained therein is compressed and the preqsure generated by the pressurized liquid shall be applied to the rnoveable valve body (A) . As soon aY the liquid pressure overcomes the compression force provided by a spring (E) disposed in the sleeve (A2) , the moveable valve body (A) will be simultaneou~ly ~orced downward to disengage the valve head tA101) from the exhaust hole (B101) so that the pressurized liquid can be sprayed out from the piston body (B~ through the hollow tubular portion (Bl).
In view of the above, it ls understood that the most irnportant thing is to make the inner arcua~e elange (~201) at the lower sleeve (~2) o~ the moveable valve body (~) smoothly contact the corresponding valve hol0 and to securely ter~inate the communicatior between the insid0 and the outside Oe the compregsed chamber(C).
L8~
Thi~ may facilitate the formation of the pressuri~ed liquid-contained the compres~ed chamber (C). In addition, the measure regardinB how to make the pressure ~enerated by the pressurized liquld be concentrated to the moveable valve body (A) in turn to simultaneously open the exhaust hole (B101) iY another important factor to be taken into consideration.
To achie~e the aforesaid purposes , the upper solid rod (Al) of the move~ble valve body (A) is designed in such R manner that said rod (A1~ mainly consists of a first rod portion (A11~, a second rod portion (A12) and a third rod portion (A11) is formed into a triangular valve head (A101) while the intersec-tion between the first rod portion (A11) and the second rod portion (A12) i3 formed with a taperes shoulder (A102) acting as a first pressure concentrating point. The intersection between the ~econd rod portion (A12) and the third rod portion (A13) also has a tapered shoulder (A103) and a projection shoulder (A104).
An inverted triangular recéss (A105) is formed between said tapered shoulder (A103) and projection shoulder (A10~) in order to both receive more liquid therein and serve as a second pressure concentra-ting point. The tapered shoulder (A103) can fur-ther direct the vertical force component of the Eorce provided by the pressurized liquid to the recess (A105). The lower end of the third rod portion l (A13) possesse~ a tapered shoulder (A106) similar to the tapered j shoulder (A103) of -th0 second rod portion (A12), and furth0r forms with the upper end of a ~leev0 (A2) a Elattened ~houlder (A202) a~
! , I
well a~ a flange (A203~ to serve a~ a third preqsure concentrating point. The tapered shoulder (A106) Oe the third rod portion (A13), in addition to having the ability of directing the force a~ -the afore~aid tapered shoulder (A103) doeq, i~ designed to cooperate with the upper end of the sleeve (A2) so a~ to provide a thicker portion (A204) which shall not be inwardly deformed when the sleeve (A2) of the moveable valve body (A) is compressed under hi~h pressure. The lower end of the vertical side (A205) of the sleeve (A2) is provided with an outward projection (A206). The upper side o~ said projection (A26) is used to concen-trate the pressure applied thereto and serve as ~
fourth pressure concentrating point. The lower side of said projection (A206) has ar~ inwardly inclined extension (A207) which is provided at its interior with an inner arcuate flange (A201). In operation, the pressurized liquid will be concentrated on the upper side of the projection (A206) to force it downward. The inclined extension (A207) below said projection (A2~6) is inwardly compressed under the hori~ontal force applied to the inclined ~urface thereof. Due to such an inward compression action, -the extension (A207) can closely contact a corresponding valve hole -to prevent the liquid ~rom leaking into the compressed chamber during the compression stroke.
Referring to FI~. 6, it shows a longitudinal section~l view o~ the second preferred embodiment of the present invention wherein a thick solid portion (A3) is formçd on the upper perlphery o~ the sleeve (A2). The thick golid portion (A3) is formed by exterlding outward from the vertical slde (A21) o~ the s1eeve (A2) a ~olid .
portion with a lar~er diameter i~ compariYon with the diameter o~ the sleeve (A2). The lower side o~ the thick solid portion ~A3) is formed into an inclined portion (A31) and th0 ~pper ~id~
thereo~ i~ provided with a plurality Oe concentric tooth-shaped annular portion~ , for example 9 a eirst annular por-tion ~A34), a second annalar portions (A33) and a third annular portion (A32) AS
shown in FIG. 6, to ~uide the liquid applied thereto. The piston body (B) is provided at its lower side with an inverted V-shaped groove (B2) and a trumpet-shaped inner annular portion (B3) respectivel~
corre~ponding to the aforesaid annular portions of the thiclc solid portion (A31.
As shown in FIG. 7, a3 the piston body (B) i~ pressed downward, the moveable valve (A) will be driven to move downward accordingly.
I~ this way ~ when an outward exten~ion (A22) Oe the sleeve IA2) closely contact a cylinder (D) the space above the cylinder (D) will be formed into a closed compressed chamber (C). the liquid contained in the compressed chamber (C) will become more pressurized as the piston body (B) is further pressed downward.
The pressurized effeet will be come more ~ignificant with the provision of the thick solid portion (A3). In this instant, the pressurized liquid below the thick solid portion (A3) will be forced ko flow upward through the space formed between the thick solid portion (A3) and the wall (Cl) Oe the cornpres~ed chamber (C).
Referring to FIG. ~ the upward pressurized liquid will eirst cont~ct the inverted V-shaped groove (B2) Oe the pi~ton bodg (B) and be directed to the first annular portion ~A34) of the thick solid portion (A3) to force the moveable valve (A) downward. Similarly, th pressurized liquid coming erom the first annular portion (A34) will be directed to the inner annular groove (B3) of the piston body (B~
and then be directed to the third annular portion (A32) of the thick solid portion (A3) to further force the moveable valve (A) downward.
Finally the pres~uizecl liquid will be directed upward through the space formed betwe~n the third rod portion (A13) and the inner wall of the piston body (B). Since the above mentioned v~rious action~ are completed simultaneou~ly the pressure applied to the ~oveable valve (A) is both concentrative and efeective such that the moveable valve ~A) can easily overcome the opposite compression force generated by the spring (E) and then move downward.
~ he moveable valve (A) will continue to move downward to make the triagular valve head disengage from the exhaust hole (B1013 so that the pressurized liquid can be sprayed out of the atormizer through the hollow tubular por-tion (B1). The special arran~ement of the tooth-shaped annular portions also will prevent the l iquid from easily sliding downward along the inclined portion so as to expedite the formation of the pres~ure concentration efEect.
In view of the con~truction as describe~l above? the present invention provides at least eour pressure concentrating points respectively located at four different pogitiong ~uch that the presure provided by the pressurized liquid can be ef~'icientlg applied to ~aid four p~essure concerntratin~ points whereby the moveable va1ve , (A) in turn i~ driven downward to disenga~e the valve head ~A101) from the exhau~t hole (B101) whereby the pre~uriæed liquid can be sprayed out from the atomizer through the hollow tubular portion (B1~ of the piston body (B~o In addi-tion, ~ince the thick solid portion (A3~ of the sleeve (A2) possesses a larger volume, the capability of pressurizi.ny the liquid contained in the compressed chamber will be significently increased Yurtherlnore, the improved structure achieved by the provision of the tooth-shaped annular portions (A32), (A33) and (A34), as well as the inverted V-shaped groove (B2~ and the trumpet-shaped inner annular portion (B3) will facilitate the application of the pressurized liquid to the moveable valve lA) on a simultaneous and continuous manner so as to force the moveable valve (.~) to overcome the opposite force generated by the spring (E) and then to disengage the valve head from the exhaust hole (B101) Accordingly it is believed -that the present invention can effectively eliminate the drawbacks existing in the prior art and thus successfully provide an improved atomizer.
I .
Claims (4)
1. An improved moveable valve assembly for liquid atomizers comprising :
A piston body ;
A moveable valve body consisting of an upper solid rod and a lower hollow sleeve being received in said piston body; and A spring disposed below said moveable valve body to compress said moveable valve body upward such that a triangular valve head of said moveable valve body can securely close an exhaust hole of said piston body.
A piston body ;
A moveable valve body consisting of an upper solid rod and a lower hollow sleeve being received in said piston body; and A spring disposed below said moveable valve body to compress said moveable valve body upward such that a triangular valve head of said moveable valve body can securely close an exhaust hole of said piston body.
2. An improved moveable valve assembly for liquid atomizers as claimed in claim 1, wherein said upper solid rod comprises a plurality of rod portions each having a different diameter from the other so that the intersection between any two of said rod portions may be respectively formed into a tapered shoulder, a recess or a socket with a flattened shoulder so as to facilitate the pressure generated by the pressurized liquid being concentrated thereon.
3. An improved moveable valve assembly for liquid atomizers as claimed in claim 1, wherein said lower hollow sleeve of said moveable valve body is provided at the lower end of its vertical side with an outward projection such that the downward force generated by the pressurized liquid can be applied to the upper side of said projection, and where the lower side of said projection is formed with an inwardly inclined extension which is furnished at its interior with an inner arcuate flange so that said inner flange is arranged to closely contact a corresponding valve hole in orde r to terminate the communication between the inside and the outside of a compressed chamber during the reciprocating motion of said moveable valve body.
4. An improved moveable valve assembly for liquid atomizers as claimed in claim 1, wherein said lower hollow sleeve is provided with a thick solid portion with a larger diameter in comparsion with the diameter of said lower hollow sleeve and said thick solid portion is provided at its lower side with an inclined portion and at its upper side with a plurality of concentric annular portions to guide the liquid applied thereto and wherein said piston body is furnished at its lower side with an inverted V-shaped groove and a trumpet-shaped inner annular portion respectively corresponding to said annular portions of said thick solid portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2011865 CA2011865A1 (en) | 1990-03-09 | 1990-03-09 | Moveable valve assembly for liquid atomizers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2011865 CA2011865A1 (en) | 1990-03-09 | 1990-03-09 | Moveable valve assembly for liquid atomizers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2011865A1 true CA2011865A1 (en) | 1991-09-09 |
Family
ID=4144496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2011865 Abandoned CA2011865A1 (en) | 1990-03-09 | 1990-03-09 | Moveable valve assembly for liquid atomizers |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2011865A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109436549A (en) * | 2018-11-26 | 2019-03-08 | 苏州市振华中学校 | A kind of liquid metering device |
-
1990
- 1990-03-09 CA CA 2011865 patent/CA2011865A1/en not_active Abandoned
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109436549A (en) * | 2018-11-26 | 2019-03-08 | 苏州市振华中学校 | A kind of liquid metering device |
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| Date | Code | Title | Description |
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| EEER | Examination request | ||
| FZDE | Dead |